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Legend Valve 108-904A Replacement Cartridge Assembly for 4″ T-550A Frost-Free Sillcock

Bright brass stem with black rubber o-rings and washer seals.
Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 2
Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 3
Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 4
Legend Valve 108-904A Replacement Cartridge Assembly for 4" T-550A Frost-Free Sillcock - Image 5

chat iconWHAT OUR CUSTOMERS SAY…

“The vacuum breaker on my outdoor spigot failed and Noel's Plumbing was the only placeI could find that had the appropriate mfr. part. I sent a text with photos on Wednesday evening to make sure the part I found was correct. In less than 2 hours later, I had a reply confirming it was the correct part. Placed my order that evening and received the part on Saturday afternoon (about 2.75 days) and my plumbing issue was resolved! I highly recommend - I really appreciated the prompt and pleasant response. ”
-Kimberly S.
04/25/2026

$38.47

 

The Legend Valve 108-904A is a 4-inch replacement stem and cartridge assembly specifically for “Improved Flow” T-550A frost-free sillcocks, featuring a single O-ring and two end tabs. It measures approximately 7-3/4 inches long without the handle. It is a genuine OEM part designed for easy repair of, or to replace, damaged, or worn-out hydrant components.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 64904 Category: Tag:

Legend Hydrant Stem & Cartridge Assembly for 4″ T-550 Hydrant

 

108-904A

 

  • Designed for Legend T-550A “Improved Flow” 4-inch frost-free sillcocks (identified by black/silver disc, post-2007).
  • 7-3/4 inches (without handle) / 8-1/2 inches (with handle).

 

UPC: 662545081410

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“This place is amazing. I live in San Antonio, Texas and there are a few plumbing stores with vintage parts but they never have what I need and the ordering process takes them weeks. I found a rare part at Noels by reverse image search but they will do it for you. I've used them 3 times. Their agents are knowledgable and polite. They will find you the same part or the after market part and get you going on your way. They have 2-3 day shipping. My house was built in the 30's and they know exactly what the after market parts are that I need. I save money and time going to them. I sure wish they were in San Antonio! I will just go directly to Noel's next time - they are LEGENDS! ”
-BP W.
06/21/2026
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